14430240 has 144 divisors (see below), whose sum is σ = 53778816. Its totient is φ = 3494400.

The previous prime is 14430217. The next prime is 14430271. The reversal of 14430240 is 4203441.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15385 + ... + 16295.

It is an arithmetic number, because the mean of its divisors is an integer number (373464).

Almost surely, 2^14430240 is an apocalyptic number.

14430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14430240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26889408).

14430240 is an abundant number, since it is smaller than the sum of its proper divisors (39348576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14430240 is a wasteful number, since it uses less digits than its factorization.

14430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 14430240 is about 3798.7155724008. The cubic root of 14430240 is about 243.4582624065.

Adding to 14430240 its reverse (4203441), we get a palindrome (18633681).

The spelling of 14430240 in words is "fourteen million, four hundred thirty thousand, two hundred forty".